Lamp



April 8 1924. 1,489,334

A. A. sANDBRooK LAMP Filed July 23, 1925 Patented Apr. 8, 1924.

sFr-Aras.

TE 'l' .application inea July es,

To aZZ whom it may concern.' l

Be it known that l, ALFRED AUGUSTUS SANDBnooK, a subject of the King of England, residing in the city of London, in the Kingdom of England, have invented new and useful Improvements in or Bela-tin to Lamps, of which the following is a speci cation.

The invention relates to lamps having an opaque resilient lam body of rubber or other resilient or ilexi le material capable of resisting crushing e'ects, and one object of my invention is .to render such resilient lamps inflatable, 'Without interference of the emission of light, so as to impart increased steadiness and to avoid the necessity of stiff heavy and consequently expensive rubber lamp bodies.

Another object is to provide a comparatively thin and light resilient lamp body with one or more inflatable bladders.

A further Objectis to rovide means preventing the bladder or b adders from pushing a reflector and the lens out of the aperture for the emission of light.

'Another object is to provide stren hening means for seating the reflector an lens in the aperture.

Another object is to provide a resilient lamp with a plurality of bulbs/reflectors, lenses and bladders. ,l

These and other minor objects will become apparent from the following/specification and appended claims and from the de,- tailed description of thev accompanying drawings, in which: v

Figure 1 is a vertical vcentral section of an inflatable resilient lamp provided with means for inilating the lamp body; Fig. 2, a vertical section of a resilient lamp fitted with a bladder; and Fig. 3, a transverse section of a resilient lamp having four bulbs, four reflectors, four lenses and a centrally located bladder which may beA formed as a single part to lit behind the reflectors, or in four appropriate sections.

ln these drawings, A is the outer opaque resilient body havmg a reinforced or other ed e C to carry or hold the glass or lens B, and provided with a reflector K opposite said glass B. The reflector K may carry the bulb-holder and bulb D, the electrical leads D1 therefore passing advantageously through an air-tight connector D fast on the lamp f pable of yemitting direct .rays

reflector at the rear of the bulb,

1923. Serial Ro. $53,350.

A. I also provide a` non-return valve G through which the body A may be inflated.

Means are of course provided by which the lamp can be secured to a vehicleand since these are of known and usual construction, they have been omitted from the drawing for the sake of simplicity.

In Fig. 2 the same 'reference letters denote the same parts. However, the outer body A of the lamp is provided with an inner inflatable bladder J' and a reflector K in :front of said inflatable bladder. As it may not always be convenient to indate the bladder through a non-return valve, any other suitable means may be adopted so as to better suit particular requirements. For example the gaseous lluid may be retained in the simple manner used in respect of football bladders.

In the construction shown at Fig. 3, the opaque resilient body A1 `is formed with four cavities E each containing a reflector K and bulb D and being covered or lens B as before stated.. At the rear of the reflectors K is disposed the inflatable bladder L. This bladder L may have small cavities El, reinforced by ribs or rigid fittinge, cups or the like F for housing the bulb-holders for the electric bulbs D.

The inflatable bladder L may however be made in several separate parts or sections, four being indicated by the dotted Alines L1 and one 0r all beingmatable together or separately through non-return valves (not shown), or otherwise as desired.

fThe leads for the electric light bulbs are passed through the bladder or bladders in any appro riate and air-tight manner.

ey'may or instance follow the positions of the dotted lines.

I claim 1. An opaque resilient inatable lamp can of light, a the lamp, a an air-tight connector fastV externally to the lamp, electrical leads Iextending from the bulb air-tight manner through the connector, and nllatlng l'neans fast to the body of the amp.

2. An opaque resilient inflatable apertured lamp body capable of emitting light, inflatable means disposed Withinv the body of the lamp, reilectmg means fast in the bulb carried in the interior of in an by a glass lil@ arpertured lamp body and in rearward. comn tace with said indeseable means, iighegiving means tted to the reecting means, and transparent. closing' means forward of said refiecting means.`

3. Ari Opaque practically globular and apertured resiiient 1am body, s plurality of spaced concave re ectors fest in *che Jpecured body, lenses for covering" said re fectors, bulbs mounted in *che reieotors, cups fast to the rear of the reectors, leeds; connecte/d with the bulbs.i and a. plurality of emesse shaped inalmbie bladders to fit the interior' of the iamp body between che spaced re.

srengthening che rims of the epereured body. spaced reiectors and combined enses engaged in the strengthening means of said rims, bulbs mounted in the reiectors, and an inisfeebie bedder tou ll che iamp body between the spaced reectors.

LERED UGUSTUS SANERK 

